.button_sp_area {
  padding: 10px 0;
  width: 50%;
  margin: 15rem auto;
  text-align: justify;
  text-justify: distribute-all-lines;
  font-size: 0;
}

.message {
  text-align: center;
  font-size: 20px;
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hidden {
  display: none;
}
